eu.cqse.check.framework.util.tokens

Class ZeroLengthTokenPatternBase

java.lang.Object

eu.cqse.check.framework.util.tokens.TokenPatternBase

eu.cqse.check.framework.util.tokens.ZeroLengthTokenPatternBase

Direct Known Subclasses:

NotFollowedByPattern, NotPrecededByPattern

public abstract class ZeroLengthTokenPatternBase
extends TokenPatternBase

Base class for patterns that check a condition but do not advance the token stream.

Constructor Summary

Constructors

Constructor and Description
ZeroLengthTokenPatternBase()

Method Summary

Modifier and Type	Method and Description
protected abstract boolean	conditionApplies(TokenStream stream) Returns true if this pattern applies at the current position of the stream.
protected TokenPatternMatch	matchesLocally(TokenStream stream) Tries to match this pattern at the current position of the given stream.

Methods inherited from class eu.cqse.check.framework.util.tokens.TokenPatternBase

createMatch, setGroupIndex

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ZeroLengthTokenPatternBase

public ZeroLengthTokenPatternBase()

Method Detail

matchesLocally

protected TokenPatternMatch matchesLocally(TokenStream stream)

Tries to match this pattern at the current position of the given stream. Returns a match object if successful, null otherwise. May modify the stream's position.

Specified by:

matchesLocally in class TokenPatternBase

conditionApplies

protected abstract boolean conditionApplies(TokenStream stream)

Returns true if this pattern applies at the current position of the stream. May modify the stream's position.